Patent US2968055A successfully refreshed from Google Patents.
US2968055A
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US
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Rotatable brush rollers for brushing apparatus or suction-cleaner nozzles
Assignee: AMICA PRODUKTER KB
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Filing: 1958-09-25
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Granted: 1961-01-17
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Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 Linderoth Erik Torvald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:32
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/04; A47L9/0461; A47L9/0488; A46; A46B; A46B13/00; A46B13/001; A47L11/00; A47L11/32; A47L11/33; A47L11/40; A47L11/4013; A47L11/4036; A47L11/4041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1182547A
Cited
US2189891A
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US2153844A
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US2252299A
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US2343585A
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US2396861A
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DE817496C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |